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Thread: Brightness not working, black screen after suspending

  1. #11
    Join Date
    Jun 2005
    Location
    Toronto, Canada
    Beans
    Hidden!
    Distro
    Xubuntu 16.04 Xenial Xerus

    Re: Brightness not working, black screen after suspending

    Edit the file /etc/default/grub:
    Code:
    gksu gedit /etc/default/grub
    Change:
    GRUB_CMDLINE_LINUX=""
    ...to read:
    Code:
    GRUB_CMDLINE_LINUX="acpi_backlight=vendor"
    Save the file.

    Run:
    Code:
    sudo update-grub
    Reboot.
    Last edited by Toz; August 27th, 2012 at 04:01 AM.

  2. #12
    Join Date
    Aug 2005
    Location
    Northern Michigan USA
    Beans
    1,953
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: Brightness not working, black screen after suspending

    OK thanks, I reinstalled yesterday and couldn't remember the correct fix. All OK now, should be a kernel patch though

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